MGRS (Military Grid Reference System) is an extension of UTM and consists of a grid zone designator, 100,000-meter square identifier and a numerical location.

Suunto Spartan Ultra also supports the following local position formats:

BNG (British)

ETRS-TM35FIN (Finnish)

KKJ (Finnish)

IG (Irish)

RT90 (Swedish)

SWEREF 99 TM (Swedish)

CH1903 (Swiss)

UTM NAD27 (Alaska)

UTM NAD27 Conus

UTM NAD83

NZTM2000 (New Zealand)

NOTE:

Some position formats cannot be used in the areas north of 84° and south of 80°, or outside the countries that they are intended for. If you are outside the allowed area, your location coordinates cannot be displayed on the watch.